package lab01;

public class Test10 {
    public static void main(String[] args) {
           int i,b,c,num;
           char ch;
        num='A'-1;
        for (i=1;i<4;i++){
                for (c=1;c<=4;c++)
                    System.out.print("");
              for (b=1;b<=i;b++){
                num=num+1;
                ch=(char)num;
                System.out.print(ch+"");
            }
            System.out.println();
        }
        for (i=1;i<=4;i++){
            for (c=1;c<=i-1;c++)
                System.out.print("");
            for (b=1;b<=5-i;b++){
                  num =num+1;
                ch=(char)num;
                System.out.print(ch+"");
            }
            System.out.println();
        }
    }
}
